From: Borislav Petkov <bp@alien8.de>
To: Willy Tarreau <w@1wt.eu>
Cc: Jingbo Xu <jefflexu@linux.alibaba.com>,
tglx@linutronix.de, mingo@redhat.com,
dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [BUG REPORT] arch/x86/include/asm/uaccess_64.h:119: Error: junk at end of line
Date: Mon, 17 Apr 2023 20:14:17 +0200 [thread overview]
Message-ID: <20230417181417.GHZD2MeRSuMWUPEU3V@fat_crate.local> (raw)
In-Reply-To: <ZDuzlNOmIT0Gd7fF@1wt.eu>
On Sun, Apr 16, 2023 at 10:36:36AM +0200, Willy Tarreau wrote:
> ...
> So it just means that the support for the "U" suffix on numbers was
> added in binutils 2.27 and the "L" suffix on numbers was added somewhere
> between 2.27 and 2.29.
Thanks for that - I'd like to document this once I've hashed out with
the toolchain person the proper binutils versions which got this
support. But that'll come later.
> And given that there's a single occurrence of all this in the whole tree,
> that's why I'm proposing to just get back to the good old (1 << 0) instead
> of BIT(0).
Yeah, we have those UC() macro things but they don't work in inline asm
in C code. So yeah, pls do the thing you're suggesting.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2023-04-17 18:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-14 3:12 Jingbo Xu
2023-03-14 10:23 ` Borislav Petkov
2023-03-14 11:04 ` Jingbo Xu
2023-04-15 17:56 ` Willy Tarreau
2023-04-15 18:56 ` Borislav Petkov
2023-04-16 8:36 ` Willy Tarreau
2023-04-17 18:14 ` Borislav Petkov [this message]
2023-04-17 18:32 ` H. Peter Anvin
2023-04-17 19:26 ` Borislav Petkov
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